Sharp Lc 60le920 Service Manual

  
LC-52LE920UN/LC-60LE920UN 
5.RemovingofRIO,LEDUnit,ICONUnit,LOGOUnit,FrontCabinetAssy,GlassFrontPanelAssy,TOUCH 
SENSORUnit. 
1.DetachtheR/C,LEDUnit_. 
2.DetachtheICONUnit®. 
3.DetachtheLOGOUnit_}. 
4.Removethe28Hooks_banddetachtheFrontCabinetAssy@ 
5.DetachtheGlassFrontPanelAssy¢_. 
6.DetachtheTouchSensorUnit®. 
NOTE:TheTouchSensorunit_hremovedonceisnotreusable. 
(_FrontCabinetAssy 
[RIA](_)[tR]]cpICONUnit[RL]_LOGOUnit 
R/C,LED 
Unit_GlassFrontPanelAssy 
/...

  
LC-52LE920UN/LC-60LE920UN 
[3]CautionCleaningGlass 
1.Glasshandling 
CAUTION:(1)Asforhandling,wearcleangloves,protectivefootwear 
andmask. 
protective (5)Twopeoplehavehandlingequallybythework. 
(Maintainitsothatglassisnotwarped.) 
(6)Whenitisputhorizontally,itisputontheflatmat. 
(2)InnerglovesarecoveredintheNitrilegloves. 
[Innergloves]INitrilegloves] 
(3)Nitrileglovesareexchangedwiththefollowing 
standard. 
Whenittouchedafaceandsoon. 
Whenanotherworkwasdone. 
Bytheworkoffiftytimes....

  
2.Glasscleaning 
CAUTION:(1)Visualinspectionisdoneontheblackmat. LC-52LE920UN/LC-60LE920UN 
(2)Dustandtrasharetakenwithanairblow. 
(3)Dirtiswipedoutwithcloth. 
Frontside:Moufas 
Backside:Cotton(cleanwiperSF-30C) 
(4)Whendirtdoesntclean,itiswipedoutwithAlcohol. 
(5)DirtiswipedoutwiththeEthanolandcleancloth. 
Whenwipeoffadirtthetracewhichwipeddonotbeleft. 
4-12  

  
LC-52LE920UN/LC-60LE920UN 
[4]HowtoreplacethetouchkeysensorPWB 
1.ReplacethetouchkeysensorPWBinacleanroom. 
Besuretoremovethedustfromtheunitbeforecarryingitintothecleanroom. 
2.RemovethetouchkeysensorPWBfromthefrontglass. 
3.Cleanthebondingsurfacewithalcohol. 
Dependingonthedirt,watersolutionof80%volcanbeeffective. 
4.Adhereaspacerbeforebondingthetouchunit. 
ProductManualTouchSensorwithITO(TransparentElectrode) 
Pulltapofdouble-sidedtapePulltapofprotectivesheet...

  
iii)AdheretheITOsectiontothefrontglass.(Usethepositioningjig.) LC-52LE920UN/LC-60LE920UN 
TapefixingtheFPCBandITOsections(Adheredbythesupplier) 
iii-1.Peelthereleasepaperofthedouble-sidedtape 
ontheITOsection. 
iii-2.Slowlyadhereitfromtheendusingaroller. 
(Positionthetouchsensorusingthejig.) 
*CheckthattherearenobubblesintheITOsection 
afteradhered. 
*Adheringerror:_+1.0mm 
iv)AdheretheFPCBsectiontothefrontglass. 
U 
ill:iiiii  
! iv-1.LifttheFPCBsectiontopeelthereleasepaperofthe...

  
LC-52LE920UN/LC-60LE920UN 
iv)PeeltheprotectivesheetoftheOCA. 
LifttheITOsection,thenpeeltheprotectivesheetbyabouthalfbymeansofthepulltap. 
*Peelingitcompletelyreducesworkability. 
Checktheorderduetoworkability. 
v) ContacttheFPCBandjointendofthetransparentelectrodefilmwiththeglass. 
*Grasptheoppositeend.NotethattheITOispositionedbyadhering. 
*Note:DonotbendthePWB(FPCBsection) 
andsheet(ITOsection). 
vi)Adherethetransparentelectrodecompletely. 
Peelthefrontprotectivesheet....

  
CHAPTER5.ADJUSTMENT LC-52LE920UN/LC-60LE920UN 
[1]ADJUSTMENTPROCEDURE 
Theadjustmentvaluesaresettotheoptimumconditionsatthefactorybeforeshipping.Ifavalueshouldbecomeimproperoranadjustmentis 
requiredduetopartreplacement,makeanadjustmentaccordingtothefollowingprocedure. 
1.AfterreplacementofanyPWBunitand/orICforrepair,pleasenotethefollowing. 
•Whenreplacingthefollowingunits,makesuretopreparethenewunitsloadedwithupdatedsoftware. 
MAINUnit:DKEYMF452FM20...

  
LC-52LE920UN/LC-60LE920UN 
2.2.3Howtoupgradethesoftware 
1.PlugACcordandturnontheTV. 
2.Afterpicturedisplayed,touchthepowerkeyfor5seconds. 
NOTE:Picturewilldisappearwhenyoutouchthepowerkey,butkeeptouchingit. 
3.WhenthecentericonLEDblinks,releaseyourfingerfromthepowerkey. 
4.Next,touchthePOWERandCH(/-,,)keysatthesametime. 
5.WhenthecentericonLEDturnson,releaseyourfingerformthekeys. 
6.Aftertheunitstartup,thesystemupgradescreenasshownbelowwithin20-40seconds....

  
LC-52LE920UN/LC-60LE920UN 
2.3.Monitormicroprocessorsoftwareversionupgrade 
CreatetheUSBmemoryformonitormicroprocessorsoftwareversionupgradeinthesamemannerasexplainedintheMainsoftwareversion 
upgrade. 
CopythefileHLI2Bxxx.USBandHLNIMxxx.BIN(namedtemporarily)formonitormicroprocessorsoftwareversionupgradetotheUSBmemory. 
2.3.1Howtoupgradethesoftware 
1.PlugACcordandturnontheTV. 
2.Afterpicturedisplayed,touchthepowerkeyfor5seconds. 
NOTE:Picturewilldisappearwhenyoutouchthepowerkey,butkeeptouchingit....

  
LC-52LE920UN/LC-60LE920UN 
3.Enteringandexitingtheadjustmentprocessmode 
1)Beforeenteringtheadjustmentprocessmode,theAVpositionRESETinthevideoadjustmentmenu. 
2)AtthestateTVisturnedon,touchthepowerkeyfor5seconds. 
NOTE:Picturewilldisappearwhenyoutouchthepowerkey,butkeeptouchingthepowerkey. 
3)WhenthecentericonLEDblinks,releaseyourfingerfromthepowerkey. 
4)Next,touchthePOWERkeywiththeVOL(1)andINPUTkeytouching. 
TVwillturnonandtheletterappearsonthescreen. 
5)Next,touchtheVOL(1)andCH(v)keysatthesametime....